when i first started out as a business journalist there was only one, catherine graham of the washington post. >> so if there's a magic bullet, the magic bullet is something we call sponsorship. sponsorship is like mentorship, but it also includes actually putting a person forward, endorsing her and saying she can do this job. and we are seeing progress. we are seeing that the minute a woman is endorsed by a powerful man, suddenly she's visible. suddenly she's board qualified, suddenly she's ready. and it busts that myth that says that there aren't enough women. this is not a supply problem. but it is a conventional thinking problem. >> susie: what is the impact of having women in board rooms and in the executive, i've noticed that the ber views i've done, women c.e.o.s like the one from you duponth and xerox, they have a different leadership style, but the does it make a dumpbs? >> companies with women on their boards have a higher financial performance than those with fewer. the research suggests that it's because when you add diversity, you get more points of view, more background, mo